diff --git a/appveyor.yml b/appveyor.yml
index 85693a4fc3..cc2cb98213 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,4 +6,4 @@ environment:
 services:
 - docker
 build_script:
-- sh: ./build.sh
+- sh: pwd && ls && ./build.sh